- 型号搜索
- 交叉搜索
- 关键词搜索
- 参数搜索
- 库存查询与购买
This webpage doesn't work with Internet Explorer. Please use the latest version of Google Chrome, Microsoft Edge, Mozilla Firefox or Safari.
请输入3个以上字符
The information presented in this cross reference is based on TOSHIBA's selection criteria and should be treated as a suggestion only. Please carefully review the latest versions of all relevant information on the TOSHIBA products, including without limitation data sheets and validate all operating parameters of the TOSHIBA products to ensure that the suggested TOSHIBA products are truly compatible with your design and application.
Please note that this cross reference is based on TOSHIBA's estimate of compatibility with other manufacturers' products, based on other manufacturers' published data, at the time the data was collected.
TOSHIBA is not responsible for any incorrect or incomplete information. Information is subject to change at any time without notice.
请输入3个以上字符
LDO的功能
下载“第Ⅳ章：本地电源IC” (PDF:770KB)
（1）欠压锁定（UVLO）
当输入电压降到规定的输入电压以下时，该功能使IC处于待机状态，使得内部电路不会不稳定发生故障。
（2）电流限制
当输出端子VOUT进入非故意短路模式状态时，该功能可防止由于器件本身发热而导致的性能下降和损坏。过流保护有两种类型：一种是同时降低输出电流和输出电压的折叠型；另一种是在保持输出电流恒定的情况下降低输出电压的限流型。
（3）热关断（TSD）
它是一种防止因显著的环境温升而导致器件性能下降和损坏，以及防止因意外的大电流负载等而导致器件本身发热的电路。当内部温度检测电路检测到指定温度时，输出晶体管被关断。
（4）输出放电
当输出晶体管关断时，VOUT的端子电压可以根据连接到输出端子的负载电容保持一定的时间。此电路将快速释放积聚在负载侧的电荷，并将VOUT端子电压降至IC GND左右。
